while sleepy CO2 accumulation increase and to get rid of it we yawn.
your body yawns because it needs more oxygen, when we get tired that's when the body gets low on oxygen
When I am sleepy or tired I yawn.
because your tired
When we are sleepy or drowsy then our lungs don't take enough oxygen which increases carbon dioxide in our body. The brain senses this and sends us a messages that causes us to yawn. By Akhilesh Sharma
yawn and say I'm getting sleepy are you tired
your body yawns because it needs more oxygen, when we get tired that's when the body gets low on oxygen
Drowsy means tired and weary sleepy
sleepy
drowsy.
When I am sleepy or tired I yawn.
Yes when they are sleepy and tired
sleepy; groggy
they are comfy or sleepy ^_^
Drowsy means feeling sleepy or on the verge of falling asleep. It is a state of being half-asleep or lethargic.
because your tired
Non drowsy means that it doesn't make you sleepy
When we are sleepy or feel drowsy, we yawn because our brain cells lack sufficient amount of oxygen. The deep breath associated with yawning helps us to drawn in more oxygen and supply the much needed oxygen to the tired body organs including the brain